/*
 * Alloy Analyzer
 * Copyright (c) 2002 Massachusetts Institute of Technology
 *
 * The Alloy Analyzer is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * The Alloy Analyzer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with the Alloy Analyzer; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package alloy.util;

/**
 * Useful constant values for Alloy.  Classes that wish to use these
 * constants should implement this interface.
 */
public interface AlloyConstants {

    /**
     * A separator used to create new names.
     * When creating new names, the convention (whenever possible) is
     * to use the fully qualified name of the enclosing paragraph, the
     * separator String, and then a shorter name (possibly followed
     * by the separator and a number for uniqueness).
     * NOTE: the character '%' cannot be used in the separator because
     * of a bug in translation to the SAT format (where % is a special
     * character.)
     * note by ilya: % in SAT format is used for user-readable comments --
     * it's an undocumented feature, not a bug :)
     */
    public static final String NAME_SEPARATOR = "@";

    /**
     * String used to name wrapper signatures for skolemizing functions
     */
    public static final String WRAPSIG_PREFIX = "WRAP";
}

